Ink ribbon cassette for printer



FIG. 1 is a front view of an ink ribbon cassette for printer showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines are for illustration only and form no part of the claimed design. 

The ornamental design for an ink ribbon cassette for printer, as shown and described. 